Growth responses of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) to defoliation
By: by Khalid Amir Osman.
Published: 1991
Language: eng
Number of pages: 134
Subjects: Douglas fir -- Oregon -- Growth.; Defoliation.
Notes: Typescript (photocopy)

Thesis (Ph.D.)--Oregon State University, 1992.

Includes bibliographical references (leaves 124-132)